CN213205165U - Anti-falling lifting electric pole - Google Patents
Anti-falling lifting electric pole Download PDFInfo
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- CN213205165U CN213205165U CN202021439357.7U CN202021439357U CN213205165U CN 213205165 U CN213205165 U CN 213205165U CN 202021439357 U CN202021439357 U CN 202021439357U CN 213205165 U CN213205165 U CN 213205165U
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- 238000004804 winding Methods 0.000 claims abstract description 14
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims 1
- 125000006850 spacer group Chemical group 0.000 abstract description 7
- 230000006978 adaptation Effects 0.000 abstract description 2
- 238000004891 communication Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
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- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The invention relates to an anti-falling lifting electric pole. The utility model discloses a multistage jar extension structure can satisfy not co-altitude operating mode needs, sets up the gas accuse spacer pin and has realized the reliable spacing safe protection of preventing of simple low-cost machinery, sets up through adopting the gas accuse, and is small, and control is simple, and is pollution-free, and gas pocket system sets up the gas bomb, can satisfy emergent needs, the utility model discloses consider electrical equipment if the lighter situation of weight, can't overcome the problem that frictional force descends by the dead weight, set up cable winding and unwinding device and pull and utilize the cable to increase the adaptation load, the reliability is higher, is applicable to multiple load occasion, does not realize lift control with the help of too much external equipment, safe effectual promoted the extensive suitability of pole.
Description
Technical Field
The utility model relates to a lighting apparatus specifically is an anti falling lift pole.
Background
As society develops a wide range of applications of outdoor electrical equipment, such as various lighting fixtures, traffic signal units, communication units, environment detection/monitoring units, advertising facilities, these electrical equipment often need some high support to achieve their functions, so the mode of supporting the electric pole appears, the current common mode adopts the rod body with fixed length to support, the characteristic is that the support is firm and safe, but the defect is also obvious, when the installation, debugging or maintenance and replacement are needed, the operation can be realized only by matching a large amount of manual output with engineering equipment, especially in field operation, the difficulty is great, like this still need the pole braced system of a liftable, present general operating system has the cost height again, and weight is big, and drawback such as control system requires height can't be suitable for above-mentioned operating mode, so need the technical equipment who solves the pole under the assurance safety prerequisite.
Disclosure of Invention
The utility model discloses a problem that the pole anti-drop and stable controllable lift invented an anti-drop lift pole.
The utility model adopts the following technical proposal:
the utility model provides an anti falling lift pole, includes cylinder, first pole, second pole, cable winding and unwinding devices, pneumatic control system, trachea, cable, and wherein, the cylinder is erect and the fixed ground in bottom, and cylinder bottom both sides are fixed connection cable winding and unwinding devices, pneumatic control system respectively, and the cylinder specifically includes: the cylinder bottom, air flue I, air flue II, the arc pipeline, the positioning cone, first annular, first interior conical ring groove, first axle guide sleeve, the cylinder sets up the cylinder inner chamber of regular smooth, cylinder inner chamber bottom is the cylinder bottom, cylinder inner chamber upper end mouth revolves soon can hold the first axle guide sleeve that one-level pole piston rod stretches out the direction, first axle guide sleeve hole sets up the slot, the dustproof sealing of installation in the slot, set up air flue I in the cylinder bottom, pneumatic control system is connected respectively to air flue II, still be provided with the arc pipeline in the cylinder bottom, cylinder bottom inner chamber center is connected to arc pipeline one end, the cable take-up and pay-off is connected to the arc pipeline other end, cylinder bottom center arc pipeline mouth sets up the positioning cone, the cylinder inner chamber wall that is close to first axle guide sleeve sets up first annular, first annular sets up the first interior conical ring.
The inner chamber of cylinder sets up the first pole of telescopic, and one-level pole includes: piston body and pole shaft integrative piston cylinder body, the hole is with sealed, gas accuse spacer pin, the second shaft guide pin bushing, the second annular, the interior taper ring groove of second, wherein the piston cylinder axial sets up the smooth second inner chamber of rule, the piston cylinder upper end is twisted soon and is twisted the second shaft guide pin bushing that can hold second grade pole piston rod and stretch out the direction, second shaft guide pin bushing hole sets up the slot, the dustproof of ditch inslot installation second is sealed, the second inner chamber wall that is close to the second shaft guide pin bushing sets up the second annular, the second annular sets up the interior taper ring groove of second of connecting the transition upper edge, the port sets up first horn mouth under the second inner chamber of piston body, the piston body periphery wall sets up the annular, set up the hole in the annular and use sealedly, the adjacent piston body in hole: the small piston cavity is internally provided with a small piston rod, a rodless cavity of the small piston cavity is provided with a spring to form a locking cavity, the locking cavity of the small piston cavity is communicated with the atmosphere through a pore IV, a rod cavity of the small piston cavity is connected with an air pipe through a pore III, the rod cavity connected into the air pipe is an opening cavity, a rod cavity end of the small piston cavity is provided with an inner hole communicated with the excircle of the piston body, the inner hole is provided with a shaft seal and is matched with the rod end of the small piston rod, a coaxial groove through hole is formed between the second inner cavity and the first bell mouth, the diameter of the communication hole is smaller than the inner diameter of the second inner cavity, and the shaft.
Set up flexible second grade pole in the second inner chamber of first grade pole, the second grade pole includes: the piston and the shaft are integrated into a whole, the last-stage piston rod, the small hole are sealed and pneumatically controlled, wherein the last-stage piston rod is provided with an axial third inner cavity, the lower port of the third inner cavity is provided with a second bell mouth, the periphery of the piston of the last-stage piston rod is provided with a ring groove, the small hole is sealed, the pneumatically controlled limiting pin is completely the same as the pneumatically controlled limiting pin structure and the connection mode of the piston body in the first-stage rod, the shaft diameter of the end of the small-stage piston rod is matched with the width of the second ring groove, the top end of the last-stage piston rod is fixedly connected and provided with electrical equipment, and the electrical equipment comprises various lighting lamps, traffic signal units, communication units, environment; the cable is connected with electrical equipment, the cable passes through the center of the top end of the last-stage piston rod downwards, sequentially passes through a third inner cavity, a second inner cavity, a through-channel hole, a first bell mouth and an inner cavity, and is led into the arc-shaped pipeline from the positioning cone, a clamping piece is fixedly arranged at the top end of the last-stage piston rod and fixedly pulls the cable extending out of the upper port of the third inner cavity, and the cable is composed of a wire composite steel wire rope.
Unwinding device is received to cable includes: the cable winding device is arranged on the cylinder bottom in the shell, a rewinding spring is arranged in the cable winding device and can stretch and contract a cable, the output end of the rewinding spring is connected with the power line, the shell is provided with a bulkhead watertight joint, the power line is connected with the watertight joint end on the inner side of the shell, and the watertight joint end on the outer side can be connected with a socket, a wiring board and other power equipment.
An air passage II port at the bottom of the cylinder is connected with an air pipe, the air pipe is spirally wound with a vertical cable, a branch at the upper end of the air pipe is connected with a rod cavity of a pneumatic control limiting pin, and the air pipe is made of soft plastic.
The pneumatic control system includes: the air source, first check valve, the gas bomb, first solenoid valve, the second solenoid valve, the third solenoid valve, the fourth solenoid valve, the second check valve, the governing valve, the air source output connects gradually first check valve, the gas bomb, gas bomb output connection parallel first solenoid valve, the second solenoid valve, the third solenoid valve input port is connected respectively to first solenoid valve output, the second check valve input port, the governing valve input port, the second check valve, the governing valve is the parallel relation, second check valve delivery outlet is connected respectively to air flue I, the governing valve delivery outlet, air flue II is connected respectively to first solenoid valve delivery outlet, the fourth solenoid valve input port, atmosphere is connected respectively to third solenoid valve delivery outlet and fourth solenoid valve delivery outlet, the air source can be small-size air pump or external air source.
Compared with the prior art, the utility model discloses can obtain following technological effect: the utility model discloses a multistage stretching structure can satisfy not co-altitude operating mode needs, sets up the gas accuse spacer pin and has realized the reliable spacing safe protection of preventing of simple low-cost machinery, sets up through adopting the gas accuse, and is small, and control is simple, and is pollution-free, and gas pocket system sets up the gas bomb, can satisfy emergent needs, the utility model discloses consider electrical equipment if the light situation of weight, can't overcome the problem that frictional force descends by the dead weight, set up cable winding and unwinding device and pull and utilize the cable to increase the adaptation load, the reliability is higher, consequently, the utility model discloses an in multiple load occasion, do not realize lift control with the help of too much external equipment, safe effectual promotion the extensive suitability of pole.
Drawings
FIG. 1 is a schematic view of the present invention in an extended state;
fig. 2 is a schematic cross-sectional view of the cable of the present invention;
fig. 3 is a schematic view of the retracted state of the present invention;
FIG. 4 is an enlarged view of FIG. 3A according to the present invention;
figure 5 is the utility model discloses gas accuse spacer pin structure sketch map.
Wherein, 1-cylinder barrel, 2-first rod, 3-second rod, 4-cable coiling and uncoiling device, 5-pneumatic control system, 6-air pipe, 7-cable, 101-cylinder bottom, 102-air passage I, 103-air passage II, 104-arc pipeline, 105-positioning cone, 106-first ring groove, 107-first inner cone ring groove, 108 first shaft guide sleeve, 109-dustproof seal, 201-hole seal, 202-small piston cavity, 203-spring, 204-small piston rod, 205-hole passage III, 206-first bell mouth, 207-piston body, 208-second ring groove, 209-second inner cone ring groove, 210-second shaft guide sleeve, 211-second dustproof seal, 212-shaft seal, 213-second inner cavity, 214-a duct IV, 215-a through hole, 301-a small hole seal, 302-a second bell mouth, 303-a final-stage piston rod, 304-a third inner cavity, 401-a shell, 402-a cable reel device, 403-a power line, 404-a watertight connector, 501-an air source, 502-a first one-way valve, 503-an air storage bottle, 504-a first electromagnetic valve, 505-a second electromagnetic valve, 506-a third electromagnetic valve, 507-a second one-way valve, 508-a speed regulating valve, 509-a fourth electromagnetic valve, 701-a lead and 702-a steel wire rope.
Detailed Description
As fig. 1, an anti-falling lift pole, including cylinder 1, first grade pole 2, second grade pole 3, cable take-up and pay-off coiling mechanism 4, pneumatic control system 5, trachea 6, cable 7, wherein, the cylinder is erect and the fixed ground in bottom, and cylinder bottom both sides fixed connection cable take-up and pay-off coiling mechanism, pneumatic control system respectively, and the cylinder specifically includes: a cylinder bottom 101, an air passage I102, an air passage II103, an arc-shaped pipeline 104, a positioning cone 105, a first ring groove 106, a first inner cone ring groove 107 and a first shaft guide sleeve 108, the cylinder barrel 1 is provided with a regular and smooth cylinder inner cavity 110, the bottom of the cylinder inner cavity 110 is a cylinder bottom 101, the upper port of the cylinder inner cavity 110 is screwed with a first shaft guide sleeve 108 capable of accommodating a piston rod of a primary rod 2 to extend and guide, the inner hole of the first shaft guide sleeve 108 is provided with a groove, a dustproof seal 109 is installed in the groove, an air passage I102 is arranged in the cylinder bottom 101, an air passage II103 is respectively connected with a pneumatic control system 5, an arc-shaped pipeline 104 is further arranged in the cylinder bottom 101, one end of the arc-shaped pipeline 104 is connected with the center of the inner cavity of the cylinder bottom 101, the other end of the arc-shaped pipeline 104 is connected with a cable winding and unwinding device 4, a positioning cone 105 is arranged at the opening of the arc-shaped pipeline 104 in the center of the cylinder bottom 101, a.
Referring to fig. 1, 3-5, the inner chamber 110 of the cylinder 1 is provided with a telescopic primary rod 2, the primary rod 2 comprising: piston body 207 and the integrative piston cylinder body of pole axle, hole is with sealed 201, gas accuse spacer pin, second shaft guide sleeve 210, second ring groove 208, second interior cone ring groove 209, wherein the piston cylinder axial sets up the smooth second inner chamber 213 of rule, piston cylinder upper end is twisted and to be held second shaft guide sleeve 210 that second pole 3 piston rods stretched out the direction, second shaft guide sleeve 210 hole sets up the slot, the dustproof sealed 211 of second of installation in the slot, the second inner chamber 213 wall that is close to second shaft guide sleeve 210 sets up second ring groove 208, second ring groove 208 sets up the second interior cone ring groove 209 of connecting the transition upper edge, the port sets up first horn mouth 206 under the second inner chamber 213 of piston body 207, piston body 207 periphery wall sets up the annular, set up hole in the annular with sealed 201, the adjacent piston body 207 in hole with sealed 201 annular top sets up the gas accuse spacer pin, gas accuse spacer pin: a small piston rod 204 is arranged in a small piston cavity 202, a rodless cavity of the small piston cavity 202 is provided with a spring 203 to form a locking cavity, the locking cavity of the small piston cavity 202 is communicated with the atmosphere through a pore channel IV214, a rod cavity of the small piston cavity 202 is connected with an air pipe 6 through a pore channel III205, the rod cavity connected into the air pipe is an opening cavity, the rod cavity end of the small piston cavity 202 is provided with an inner hole communicated with the excircle of a piston body 207, the inner hole is provided with a shaft seal 212 and is matched with the rod end of the small piston rod 204, a coaxial groove through hole 215 is arranged between a second inner cavity 213 and a first bell mouth 206, the diameter of the communication hole 215 is smaller than the inner diameter of the second inner cavity 213, and the rod end.
As shown in fig. 1-3, a telescopic secondary rod 3 is disposed in the second inner cavity 213 of the primary rod 2, and the secondary rod 3 includes: a final-stage piston rod 303 with a piston and a rod shaft integrated, a seal 301 for small holes and a pneumatic control limit pin, wherein the final-stage piston rod 303 is provided with an axial third inner cavity 304, the lower port of the third inner cavity 304 is provided with a second bell mouth 302, the periphery of the piston of the final-stage piston rod 303 is provided with a ring groove, the seal 301 for small holes is arranged in the ring groove, the pneumatic control limit pin and the pneumatic control limit pin arranged on the piston body 207 in the first-stage rod 2 are completely identical in structure and connection mode, the shaft diameter of the end of the small-stage piston rod is matched with the groove width of the second ring groove 208, the top end of the final-stage piston rod 303 is fixedly connected with an electrical device 8, and the electrical device 8 comprises various lighting lamps; the cable 7 is connected with the electrical equipment 8, the cable 7 passes through the center of the top end of the last-stage piston rod 303 downwards, and is led into the arc-shaped pipeline 104 from the positioning cone 105 through the third inner cavity 304, the second inner cavity 213, the communication hole 215, the first bell mouth 206 and the inner cavity 110 in sequence, the clamping piece 9 is fixedly arranged at the top end of the last-stage piston rod 303, the clamping piece 9 fixedly pulls the cable 7 extending out of the upper end opening of the third inner cavity 304, and the cable 7 is composed of a conducting wire 701 and a composite steel wire rope.
As shown in fig. 3, the cable winding and unwinding device 4 includes: the cable winding device comprises a shell 401, a cable winding device 402, a power line 403 and a watertight joint 404, wherein the shell 401 and a cylinder bottom 101 are fixed into a whole, the cable winding device 402 is arranged on the surface of the cylinder bottom 101 in the shell 401, a rewinding spring is arranged in the cable winding device 402 and can stretch and contract a cable 7, the output end of the rewinding spring is connected with the power line 403, the shell 401 is provided with a bulkhead watertight joint 404, the power line 403 is connected with the watertight joint 404 end on the inner side of the shell 401, and the watertight joint 404 end on the outer side can be connected with a socket, a plug board and other power equipment.
An air duct II103 of the cylinder bottom 101 is connected with an air duct 6, the air duct 6 is spirally wound with a vertical cable 7, a branch at the upper end of the air duct is connected with a rod cavity of a pneumatic control limiting pin, and the air duct is made of soft plastic.
As shown in fig. 3, the pneumatic control system 5 includes: an air source 501, a first one-way valve 502, an air storage bottle 503, a first solenoid valve 504, a second solenoid valve 505, a third solenoid valve 506, a fourth solenoid valve 509, a second one-way valve 507 and a speed regulating valve 508, the output of the air source 501 is sequentially connected with a first one-way valve 502 and an air storage bottle 503, the output of the air storage bottle 503 is connected with a first electromagnetic valve 504 and a second electromagnetic valve 505 which are parallel, the output of the first electromagnetic valve 504 is respectively connected with the input port of a third electromagnetic valve 506, the input port of the second one-way valve 507 and the input port of a speed regulating valve 508, the second one-way valve 507 and the speed regulating valve 508 are parallel, the air passage I102 is respectively connected with the output port of the second one-way valve 507 and the output port of the speed regulating valve 508, the output port of the first electromagnetic valve 504 is respectively connected with the air passage II103 and the input port of a fourth electromagnetic valve 509, the output port of the third electromagnetic valve 506 and the.
The utility model discloses constitute most essential two-stage extending structure by cylinder 1, one-level pole 2, second grade pole 3, can adapt to the adjustment to cylinder 1, one-level pole 2, second grade pole 3's diameter according to actual need, increase the quantity of first grade pole 2, realize multistage extending structure to satisfy different work condition needs, say theoretically, can realize the setting of no several grades under the stable prerequisite of depression bar satisfying.
The working mode is as follows: the utility model discloses operating condition divide into the pole and descends and rises, corresponds pole low level and high level respectively, and when the high level, need carry out mechanical action and prevent the protection that falls, the action is realized by pneumatic control.
Referring to fig. 1 and 3, when the electric pole is at a low position, the electric pole performs an extending and ascending action, the air source 501 outputs compressed air to the first check valve 502 and the air storage cylinder 503, or the air storage cylinder 503 outputs the stored compressed air to the second solenoid valve 505, the second solenoid valve 505 is electrified to conduct the compressed air to the second check valve 507 and/or the speed regulating valve 508, and the compressed air is guided into the first-stage pole 2 rodless cavity of the inner cavity 110 through the air passage I102.
As shown in fig. 1 and 3, the primary rod 2 has no rod cavity pressure build up and the primary rod 2 rises. The compressed air enters the rod-less cavity of the secondary rod 3 in the second inner cavity 213 from the first bell mouth 206 and the communication hole 215 at the same time, the pressure of the rod-less cavity of the secondary rod 3 is built up, and the secondary rod 3 rises or rises synchronously with the primary rod 2 at the same time.
As shown in fig. 1-4, the primary rod 2 and the secondary rod 3 rise to overcome the spring force of the rewinding in the cable reel 402, the traction cable 7 is drawn out from the cable reel 402, the cable 7 is smoothly guided out by the arc-shaped pipe 104, the tensile force of the cable 7 is carried by the steel wire rope 702, and the vertical cable 7 with the tensile force guides the air pipe 6 to gradually change from a spiral compression state to a spiral extension state.
As shown in fig. 1-4, when the primary rod 2 and the secondary rod 3 rise to the right position, the pneumatic control limit pin performs mechanical action to prevent falling protection: taking the pneumatic control limiting pin arranged on the primary rod 2 as an example, the fourth electromagnetic valve 509 is electrified to enable the air pipe 6 to be communicated with the atmosphere, the rodless cavity of the small piston cavity 202 is communicated with the air pipe 6 through the duct III205, the small piston rod 204 is pushed by the spring 203 of the locking cavity, and the cavity of the spring 203 is communicated with the atmosphere through the duct IV214 to balance pressure; the third electromagnetic valve 506 is electrified to conduct the air pipe 6 to be connected with the atmosphere, the first-stage rod 2 rodless cavity and the second-stage rod 3 rodless cavity output compressed air through the speed regulating valve 508 to be discharged to the atmosphere, the second one-way valve 507 is closed reversely, and the first-stage rod 2 falls slowly; the small piston rod 204 of the air control limit pin is clamped into the first ring groove 106 in the process that the primary rod 2 slowly falls, the anti-falling protection of the primary rod 2 is realized, the action method of the secondary rod 3 is the same, and the small piston rod extends out of the second ring groove 208 for positioning.
As shown in fig. 2, when the electric pole is at a high position, the electric pole performs a retracting and descending operation, and first ascends to remove adverse effects of the pneumatic control limit pin and the first annular groove 106/the second annular groove 208 caused by load friction, the air source 501 outputs compressed air to the first one-way valve 502 and the air storage cylinder 503, or the air storage cylinder 503 outputs stored compressed air to the second electromagnetic valve 505, the second electromagnetic valve 505 is powered on to conduct the compressed air to the second one-way valve 507 and/or the speed regulating valve 508, the compressed air is introduced into the rod-less cavity of the primary rod 2 of the inner cavity 110 through the air passage I102, the pressure of the rod-less cavity of the primary rod 2 is established, and the primary rod 2 ascends. The compressed air enters the rod-less cavity of the secondary rod 3 in the second inner cavity 213 from the first bell mouth 206 and the communication hole 215 at the same time, the pressure of the rod-less cavity of the secondary rod 3 is built up, and the secondary rod 3 rises or rises synchronously with the primary rod 2 at the same time. The first solenoid valve 504 is also electrically connected to the air pipe 6, compressed air is input to the duct III205, the compressed air enters the opening cavity of the small piston cavity 202 to build pressure, the small piston rod 204 generates retraction power, and when the end of the small piston rod 204 is separated from the first ring groove 106 and the first inner cone ring groove 107 due to the rising trend, the small piston rod 204 retracts in place, and the anti-falling protection is removed.
As shown in fig. 1-4, the third electromagnetic valve 506 is powered to conduct the air pipe 6 to connect with the atmosphere, the first-stage rod 2 rodless cavity and the second-stage rod 3 rodless cavity output compressed air through the speed regulating valve 508 to be discharged to the atmosphere, the second one-way valve 507 is closed reversely, the first-stage rod 2 slowly falls down until returning to the low position, the rewinding spring arranged in the cable reel 402 can shrink the cable 7 in the descending process, and no matter what position the electric pole is lifted, the electric energy can conduct the power line 403 and the cable 7 through the end of the watertight connector 404 to supply power to the electrical equipment 8.
As shown in fig. 1, in the descending process, the vertical cable 7 can prevent the air pipe 6 from being spirally wound and deviated and extruded between the first-stage rod 2 and the second-stage rod 3, the first bell mouth 206 and the second bell mouth 302 also play a role in the spiral retraction and descending process of the air pipe 6, and the positioning cone 105 is arranged to prevent the lower end of the air pipe 6 from being wound and interfered with the cable 7.
Claims (6)
1. The utility model provides an anti falling lift pole, includes the lifter, lifter top fixed mounting has electrical equipment, electrical equipment is connected the power supply by cable (7), its characterized in that: further comprising: the cable winding and unwinding device (4), the pneumatic control system (5) and the air pipe (6), wherein the lifting rod comprises a cylinder barrel (1), a primary rod (2) and a secondary rod (3), the cylinder barrel (1), the primary rod (2) and the secondary rod (3) form a three-level single-action telescopic cylinder structure, through holes are axially formed in the primary rod (2) and the secondary rod (3), electrical equipment is fixedly connected to the top end of the secondary rod (3), a cylinder bottom (101) is arranged at the bottom of the cylinder barrel (1), the cable winding and unwinding device (4) and the pneumatic control system (5) are fixed to the outer side of the cylinder bottom, an arc-shaped pipeline (104) and an air passage which are communicated with the inside and the outside of the cylinder barrel are further arranged in the cylinder bottom (101), the electrical equipment is connected with a cable (7), and the cable (7) passes through the through holes axially formed in the primary rod (2) and the secondary rod (3) and the arc-shaped, the pneumatic control limiting pin is characterized in that piston bodies of the primary rod (2) and the secondary rod (3) are respectively provided with a pneumatic control limiting pin, annular grooves matched with the pneumatic control limiting pin are respectively arranged on the upper portions of the cylinder barrel (1) and the primary rod (2), the pneumatic control limiting pin comprises a piston, a piston rod and air cavities on two sides of the piston, the air cavities on two sides of the piston are respectively used for controlling the pneumatic control limiting pin to be an opening cavity in an opening state and to be controlled to be a locking cavity in a locking state, a spring (203) is arranged in the locking cavity, and an air inlet end of an air pipe (6) is connected with a pneumatic control system (5) and an air outlet end of the air pipe is.
2. The drop-proof lifting pole as recited in claim 1, characterized in that: the inner opening of the arc-shaped pipeline (104) is positioned at the center of the inner bottom surface of the cylinder barrel, and the outer opening is positioned on the side wall of the cylinder bottom.
3. The drop-proof lifting pole as recited in claim 1, characterized in that: the air pipe (6) is spirally wound with a vertical cable (7), and the cable (7) is composed of a conducting wire (701) and a composite steel wire rope (702).
4. The drop-proof lifting pole as recited in claim 1, characterized in that: the cable take-up and pay-off device (4) comprises: casing (401), cable reel ware (402), power cord (403), watertight joint (404), cable reel ware (402) is installed to cylinder end (101) lateral surface, casing (401) is fixed as an organic whole with cylinder end (101), the cable reel ware set up in the casing, be equipped with the recoil spring in cable reel ware (402), casing (401) sets up next door watertight joint (404), the cable is convoluteed on cable reel ware, terminal with power cord (403) are connected, inboard watertight joint (404) medial extremity is connected through power cord (403) to cable reel ware (402), power equipment is connected to watertight joint (404) outside end.
5. The drop-proof lifting pole as recited in claim 1, characterized in that: the air flue comprises an air flue I (102) and an air flue II (103), wherein the air flue I (102) is connected with the inner cavity of the cylinder barrel, the air flue II (103) is connected with the air inlet end of the air pipe (6), the pneumatic control system (5) comprises an air storage source, an electromagnetic valve and a speed regulating valve (508), the output of the air storage source is respectively connected with the air flue I (102) and the air flue II (103), the electromagnetic valves are respectively arranged on loops of the air storage source connected with the air flue I (102) and the air flue II (103), the speed regulating valve (508) is serially connected in the loop connected with the air flue II (103), and the electromagnetic valve is closed/conducted to the loop or.
6. The drop-proof lifting pole as recited in claim 1, characterized in that: and a positioning cone (105) is arranged at the opening of the arc-shaped pipeline (104) in the center of the cylinder bottom (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021439357.7U CN213205165U (en) | 2020-07-21 | 2020-07-21 | Anti-falling lifting electric pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021439357.7U CN213205165U (en) | 2020-07-21 | 2020-07-21 | Anti-falling lifting electric pole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213205165U true CN213205165U (en) | 2021-05-14 |
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ID=75834346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021439357.7U Active CN213205165U (en) | 2020-07-21 | 2020-07-21 | Anti-falling lifting electric pole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213205165U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114653275A (en) * | 2022-04-24 | 2022-06-24 | 罗赛洛(温州)明胶有限公司 | Utilize gelatin automated production system of compressed air technique |
-
2020
- 2020-07-21 CN CN202021439357.7U patent/CN213205165U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114653275A (en) * | 2022-04-24 | 2022-06-24 | 罗赛洛(温州)明胶有限公司 | Utilize gelatin automated production system of compressed air technique |
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